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Section 4
4-3
Naming convention in STAAD.Pro for Dimensional Lumber
sections
As can be seen from Tables 8.3 through 8.6 of the AITC 1994
manual, one or more of the following attributes have to be
considered while choosing a section :
• Species
• Commercial Grade
• Size classification
• Nominal size of the section
• Grading rules agency
STAAD uses a naming convention that incorporates all of the
above. Shown below is the name of a section that has
characteristics as shown. It may be found on page 8-637 of the
AITC 1994 manual.
Species: Douglas Fir Larch
Commercial Grade: Dense Select Structural
Size Classification: Beams
Nominal size: 5”x5”
Grading Rules Agency: WCLIB
Figure 4.1
Implementation of Glulam Properties
For Glulam sections, each glulam designation has an associated
value of Modulus of Elasticity and a set of allowable stresses.
However, these values are not dependent on the size of the cross
section. For example, a 3-1/8”x 6” 24F-V8 DF/DF beam and a 6-